SAAD MAHMOOD

3.The Class Diagram should: oDefine key classes such as Patient, Doctor, Appointment, MedicalRecord, Prescription, Bill, LabTest, and Pharmacy. oUse relationships like: Association (e.g., Patient has an Appointment). Aggregation (e.g., Hospital consists of multiple Doctors). Composition (e.g., MedicalRecord belongs completely to a Patient). Inheritance (e.g., Staff includes Receptionist, Lab Technician, and Pharmacist).